Author Question: Both rolling resistance and drag increase with increasing speed as the square of the speed. What ... (Read 51 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
Both rolling resistance and drag increase with increasing speed as the square of the speed.
 
  What will be an ideal response?

Question 2

Generation of photochemical smog involves the reaction of unburned hydrocarbons with sunlight in a closed basin.
 
  What will be an ideal response?



ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

Not so: rolling resistance is relatively constant, but drag does increase with speed
(for great enough speed) as the square of the speed.

Answer to Question 2

The statement is essentially correctsmog formation involves also (and
importantly) oxides of nitrogen as well.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

For a complete list of videos, visit our video library